HD 3242

A photometric study of wide visual double stars. IV - UVBY photometry of wide visual double stars with G-type primaries We performed uvby aperture photometry of wide visual double stars withG-type primaries. The minimum angular separation of the components is 10arcsecs and mainly less than 20 arcsecs. As both components have oftensimilar photometric and astrophysical parameters, we infer that most ofthese double stars have components of common origin.
The Energy Distribution in Lyman Continuum and the Effective Temperatures of Planetary Nebulae Nuclei Not Available
A second list of wide visual binaries Not Available
A second list of wide visual binaries Not Available

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